public override int GetContainingTypeLib(IntPtr ppTLB, IntPtr pIndex)
{
// even though pIndex is described as a non-optional OUT argument, mscorlib sometimes calls this with a nullptr from the C++ side.
if (pIndex == IntPtr.Zero)
{
RdMarshal.WriteIntPtr(ppTLB, IntPtr.Zero);
return((int)KnownComHResults.E_INVALIDARG);
}
RdMarshal.WriteIntPtr(ppTLB, RdMarshal.GetComInterfaceForObject(_container, typeof(ITypeLibInternal)));
if (pIndex != IntPtr.Zero)
{
RdMarshal.WriteInt32(pIndex, ContainerIndex);
}
return((int)KnownComHResults.S_OK);
}
public IntPtr GetCOMReferencePtr() => RdMarshal.GetComInterfaceForObject(this, typeof(ITypeLibInternal));